Home / 5,902.90-8,146.89-3,545.14

Finding the Fourth Proportional to 5,902.90, 8,146.89 and 3,545.14

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Solution

The fourth proportional to 5,902.90, 8,146.89 and 3,545.14 is: 4,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,902.90 : 8,146.89 = 3,545.14 : x
  2. Step 2: Convert to fraction form
    5,902.90/8,146.89 = 3,545.14/x
  3. Step 3: Cross multiply
    5,902.90x = 8,146.89 × 3,545.14
  4. Step 4: Simplify right side
    5,902.90x = 28,881,865.61
  5. Step 5: Solve for x
    x = 28,881,865.61/5,902.90
  6. Step 6: Final answer
    x = 4,892.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.